and for all the countries that are dealing with this, the british, the french, the germans, russia, china, so on, they all ten to view this as proliferation problem. so the conversation taking place between iran and the other side tends to be about that issue. very narrowly focused. so, to kind of move that conversation you have to figure out a different architecture to address that. but the process as such is designed to deal with the proliferation issue and the conversation is that it has to do with iran's violations of the npt and security council resolutions suggest iran has suspended activities and so on. but it's a proliferation centered issue. there are two countries who suggest the issue between -- this is not a proliferation issue bottle's do with the character, and those two countries are, one, israel, who doesn't view this as arms -- and the second one is iran, who, although this is an arms control issue from the west but they're using arms control of a way of -- there are two actors in this con -- -- so, i think if you look at it historically, the united states has managed to